Humanoids from the Deep (1980)

 

Directed by Barbara Peeters. Found on Tubi. Vic Morrow, Doug McClure, Ann Turkel.

https://en.wikipedia.org/wiki/Humanoids_from_the_Deep

https://www.denofgeek.com/movies/humanoids-from-the-deep-1980-review/ 

https://www.thespinningimage.co.uk/cultfilms/displaycultfilm.asp?reviewid=4792 

https://hiitsburl.blogspot.com/2020/08/burl-reviews-humanoids-from-deep-1980.html